From: Mathieu Baudier <mbaudier@argeo.org>
Date: Mon, 9 May 2022 04:49:24 +0000 (+0200)
Subject: Introduce PDF viewer
X-Git-Tag: v2.3.8~113
X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=commitdiff_plain;h=05d635c8f0f9031721ad8cb53b8c9010857c46f2

Introduce PDF viewer
---

diff --git a/org.argeo.app.ui/src/org/argeo/app/ui/publish/PdfViewer.java b/org.argeo.app.ui/src/org/argeo/app/ui/publish/PdfViewer.java
new file mode 100644
index 0000000..38d995f
--- /dev/null
+++ b/org.argeo.app.ui/src/org/argeo/app/ui/publish/PdfViewer.java
@@ -0,0 +1,37 @@
+package org.argeo.app.ui.publish;
+
+import java.awt.image.BufferedImage;
+import java.nio.file.Paths;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
+import org.argeo.eclipse.ui.specific.BufferedImageDisplay;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+public class PdfViewer {
+	public static void main(String[] args) throws Exception {
+		PDDocument doc = PDDocument.load(Paths.get(args[0]).toFile());
+		PDFRenderer renderer = new PDFRenderer(doc);
+
+		BufferedImage image = renderer.renderImageWithDPI(0, 300);
+
+		Display display = new Display();
+		Shell shell = new Shell(display);
+		shell.setLayout(new FillLayout());
+
+		shell.setSize(200, 200);
+
+		BufferedImageDisplay imageDisplay = new BufferedImageDisplay(shell, SWT.NONE);
+		imageDisplay.setImage(image);
+
+		shell.open();
+		while (!shell.isDisposed()) {
+			if (!display.readAndDispatch())
+				display.sleep();
+		}
+		display.dispose();
+	}
+}